The Question and Answer section for Call of the Wild is a great resource to ask questions, find answers, and discuss the novel.
Mercedes overfed them when they needed to rest.
And to cap it all, when Mercedes, with tears in her pretty eyes and a quaver in her throat, could not cajole him into giving the dogs still more, she stole from the fish-sacks and fed them slyly. But...
The Scotch half-breed did his best to keep the dogs running, even when they didn't like it. He passed out of their lives, as had eeveryone else and sold the dogs to Hal and Charles.... setting up Buck's eventual meeting with John Thornton.
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